Hearth pad unit



FIG. 1 is a top left side perspective view of a hearth pad unit showingmy new design, the broken line showing of a hearth is for illustrativepurposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a hearth pad unit, as shown and described.